Prairie Dog Half Marathon 10K & 5K

Saturday, July 20, 2024 Castle Rock, CO

Prairie Dog Half Marathon 10K & 5K course in Castle Rock, CO

The Summer Splash Prairie Dog Half Marathon, 10k, and 5k is part of the larger Prairie Dog Race Series and takes place along the East Plum Creek Trail in Castle Rock, Colorado.

Trail Runners. This half marathon race takes runners throughout Downtown Castle Rock and along East Plum Creek Trail surrounded by foliage and forestry; The wetlands and meadows as the primary landscape make a more beautiful nature run. 

Approximately 30 miles from Downtown Denver, the location for this event makes for an attractive destination to host a race. 

Beginning on 5254 N Meadows Drive at Castle View High School, this out-and-back half marathon race takes place entirely along the paved paths of East Plum Creek Trail, turning around at the halfway point to retrace their steps back to the finish line.

With a time limit of 4 hours, the Prairie Dog Half Marathon is suitable for both runners and walkers alike. With eight water stations throughout, you should be able to stay hydrated enough to finish in record time.

For those registered, you’ll receive a custom swag bag of surprises along with an event-themed race shirt, a finisher’s pint glass, FREE professional race photos, and a finisher’s medal for those who complete it under the time limit.  

Race Weather & Climate

Located in north-central Colorado, Castle Rock is approximately 30 miles south of downtown Denver, making it an attractive part of the Denver metropolitan region.

July 20 in Castle Rock, Colorado represents the heart of summer. High temperatures soar to around 88°F, creating a warm and sunny environment for outdoor activities, picnics, and outdoor events. As the day progresses into the evening, temperatures remain comfortable, with lows reaching approximately 57°F. Rainfall during this time is typically minimal, with an average of just 0.6 inches, making it an ideal day for enjoying the summer sun and exploring the natural beauty around Castle Rock.

Prairie Dog Half Marathon Race Results

Prairie Dog Half Marathon Course Map

See the race route map for the Prairie Dog Half Marathon course map here.

Starting Time

The half marathon start time is 6:30 AM.

The time limit for the half marathon is 4 hours.


To reserve your spot in the 2024 Prairie Dog Half Marathon 10K & 5K, you can use the registration link here.

Race Fees

  • There is a $70.00 fee for the half marathon.
  • There is a $40.00 fee for the 10K.
  • There is a $30.00 fee for the 5K.

Prairie Dog Half Marathon 10K & 5K Race Website

Prairie Dog Half Marathon 10K & 5K Website

See more races in: July, Colorado